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/*
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* Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.vm.ci.hotspotvmconfig;
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33632
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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33160
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/**
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* Refers to a C++ field in the VM.
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*/
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@Target(ElementType.FIELD)
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@Retention(RetentionPolicy.RUNTIME)
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public @interface HotSpotVMField {
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/**
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* Types of information this annotation can return.
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*/
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enum Type {
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/**
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* Returns the offset of this field within the type. Only valid for instance fields.
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*/
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OFFSET,
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/**
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* Returns the absolute address of this field. Only valid for static fields.
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*/
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ADDRESS,
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/**
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* Returns the value of this field. Only valid for static fields.
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*/
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VALUE;
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}
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/**
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* Specifies what type of information to return.
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*
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* @see Type
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*/
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Type get();
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/**
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* Returns the type name containing this field.
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*
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* @return name of containing type
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*/
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String type();
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/**
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* Returns the name of this field.
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*
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* @return name of field
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*/
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String name();
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/**
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* List of architectures where this constant is required. Names are derived from
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* {@link HotSpotVMConfig#getHostArchitectureName()}. An empty list implies that the constant is
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* required on all architectures.
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*/
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@SuppressWarnings("javadoc")
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String[] archs() default {};
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}
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